normal

protanopia

deutanopia

tritanopia

grayscale/achromatopsia

atypical achromatopsia

protanomaly

deutanomaly

tritanomaly
normal

protanopia

deutanopia

tritanopia

grayscale/achromatopsia

atypical achromatopsia

protanomaly

deutanomaly

tritanomaly
Sunday 20 May 2012

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